create_prolog_flag/4¶

create_prolog_flag( +Flag, +Value, +Options)*

Create a new YAP Prolog flag. Options include type(+Type)with _Type_ one ofboolean,integer,float,atom and term (that is, any ground term) access(+Access)with _Access_ one ofread_onlyorread_write`

keep(+_Keep_) protect existing flag. `